@@ -916,6 +916,15 @@ config SM_VIDEOCC_8250
Say Y if you want to support video devices and functionality such as
video encode and decode.
+config SM_VIDEOCC_8350
+ tristate "SM8350 Video Clock Controller"
+ select SM_GCC_8350
+ select QCOM_GDSC
+ help
+ Support for the video clock controller on SM8350 devices.
+ Say Y if you want to support video devices and functionality such as
+ video encode and decode.
+
config SPMI_PMIC_CLKDIV
tristate "SPMI PMIC clkdiv Support"
depends on SPMI || COMPILE_TEST
@@ -126,6 +126,7 @@ obj-$(CONFIG_SM_GPUCC_8350) += gpucc-sm8350.o
obj-$(CONFIG_SM_TCSRCC_8550) += tcsrcc-sm8550.o
obj-$(CONFIG_SM_VIDEOCC_8150) += videocc-sm8150.o
obj-$(CONFIG_SM_VIDEOCC_8250) += videocc-sm8250.o
+obj-$(CONFIG_SM_VIDEOCC_8350) += videocc-sm8350.o
obj-$(CONFIG_SPMI_PMIC_CLKDIV) += clk-spmi-pmic-div.o
obj-$(CONFIG_KPSS_XCC) += kpss-xcc.o
obj-$(CONFIG_QCOM_HFPLL) += hfpll.o
new file mode 100644
@@ -0,0 +1,575 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+
+#include <dt-bindings/clock/qcom,sm8350-videocc.h>
+#include <dt-bindings/reset/qcom,sm8350-videocc.h>
+
+#include "clk-alpha-pll.h"
+#include "clk-branch.h"
+#include "clk-rcg.h"
+#include "clk-regmap.h"
+#include "clk-regmap-divider.h"
+#include "common.h"
+#include "reset.h"
+#include "gdsc.h"
+
+enum {
+ DT_BI_TCXO,
+ DT_BI_TCXO_AO,
+ DT_SLEEP_CLK,
+};
+
+enum {
+ P_BI_TCXO,
+ P_BI_TCXO_AO,
+ P_SLEEP_CLK,
+ P_VIDEO_PLL0_OUT_MAIN,
+ P_VIDEO_PLL1_OUT_MAIN,
+};
+
+static struct pll_vco lucid_5lpe_vco[] = {
+ { 249600000, 1750000000, 0 },
+};
+
+static const struct alpha_pll_config video_pll0_config = {
+ .l = 0x25,
+ .alpha = 0x8000,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00002261,
+ .config_ctl_hi1_val = 0x2a9a699c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000000,
+ .test_ctl_hi1_val = 0x01800000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000805,
+ .user_ctl_hi1_val = 0x00000000,
+};
+
+static struct clk_alpha_pll video_pll0 = {
+ .offset = 0x42c,
+ .vco_table = lucid_5lpe_vco,
+ .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "video_pll0",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_5lpe_ops,
+ },
+ },
+};
+
+static const struct alpha_pll_config video_pll1_config = {
+ .l = 0x2b,
+ .alpha = 0xc000,
+ .config_ctl_val = 0x20485699,
+ .config_ctl_hi_val = 0x00002261,
+ .config_ctl_hi1_val = 0x2a9a699c,
+ .test_ctl_val = 0x00000000,
+ .test_ctl_hi_val = 0x00000000,
+ .test_ctl_hi1_val = 0x01800000,
+ .user_ctl_val = 0x00000000,
+ .user_ctl_hi_val = 0x00000805,
+ .user_ctl_hi1_val = 0x00000000,
+};
+
+static struct clk_alpha_pll video_pll1 = {
+ .offset = 0x7d0,
+ .vco_table = lucid_5lpe_vco,
+ .num_vco = ARRAY_SIZE(lucid_5lpe_vco),
+ .regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID],
+ .clkr = {
+ .hw.init = &(struct clk_init_data){
+ .name = "video_pll1",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_BI_TCXO,
+ },
+ .num_parents = 1,
+ .ops = &clk_alpha_pll_lucid_5lpe_ops,
+ },
+ },
+};
+
+static const struct parent_map video_cc_parent_map_0[] = {
+ { P_BI_TCXO_AO, 0 },
+};
+
+static const struct clk_parent_data video_cc_parent_data_0[] = {
+ { .index = DT_BI_TCXO_AO },
+};
+
+static const struct parent_map video_cc_parent_map_1[] = {
+ { P_BI_TCXO, 0 },
+ { P_VIDEO_PLL0_OUT_MAIN, 1 },
+};
+
+static const struct clk_parent_data video_cc_parent_data_1[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &video_pll0.clkr.hw },
+};
+
+static const struct parent_map video_cc_parent_map_2[] = {
+ { P_BI_TCXO, 0 },
+ { P_VIDEO_PLL1_OUT_MAIN, 1 },
+};
+
+static const struct clk_parent_data video_cc_parent_data_2[] = {
+ { .index = DT_BI_TCXO },
+ { .hw = &video_pll1.clkr.hw },
+};
+
+static const struct freq_tbl ftbl_video_cc_ahb_clk_src[] = {
+ F(19200000, P_BI_TCXO, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 video_cc_ahb_clk_src = {
+ .cmd_rcgr = 0xbd4,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = video_cc_parent_map_0,
+ .freq_tbl = ftbl_video_cc_ahb_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_ahb_clk_src",
+ .parent_data = video_cc_parent_data_0,
+ .num_parents = ARRAY_SIZE(video_cc_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = {
+ F(720000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
+ F(1014000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
+ F(1098000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
+ F(1332000000, P_VIDEO_PLL0_OUT_MAIN, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 video_cc_mvs0_clk_src = {
+ .cmd_rcgr = 0xb94,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = video_cc_parent_map_1,
+ .freq_tbl = ftbl_video_cc_mvs0_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs0_clk_src",
+ .parent_data = video_cc_parent_data_1,
+ .num_parents = ARRAY_SIZE(video_cc_parent_data_1),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_video_cc_mvs1_clk_src[] = {
+ F(840000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
+ F(1098000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
+ F(1332000000, P_VIDEO_PLL1_OUT_MAIN, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 video_cc_mvs1_clk_src = {
+ .cmd_rcgr = 0xbb4,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = video_cc_parent_map_2,
+ .freq_tbl = ftbl_video_cc_mvs1_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs1_clk_src",
+ .parent_data = video_cc_parent_data_2,
+ .num_parents = ARRAY_SIZE(video_cc_parent_data_2),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_shared_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_video_cc_sleep_clk_src[] = {
+ F(32000, P_SLEEP_CLK, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 video_cc_sleep_clk_src = {
+ .cmd_rcgr = 0xef0,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .freq_tbl = ftbl_video_cc_sleep_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_sleep_clk_src",
+ .parent_data = &(const struct clk_parent_data){
+ .index = DT_SLEEP_CLK,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_rcg2 video_cc_xo_clk_src = {
+ .cmd_rcgr = 0xecc,
+ .mnd_width = 0,
+ .hid_width = 5,
+ .parent_map = video_cc_parent_map_0,
+ .freq_tbl = ftbl_video_cc_ahb_clk_src,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "video_cc_xo_clk_src",
+ .parent_data = video_cc_parent_data_0,
+ .num_parents = ARRAY_SIZE(video_cc_parent_data_0),
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_regmap_div video_cc_mvs0_div_clk_src = {
+ .reg = 0xd54,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "video_cc_mvs0_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs0_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div video_cc_mvs0c_div2_div_clk_src = {
+ .reg = 0xc54,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "video_cc_mvs0c_div2_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs0_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div video_cc_mvs1_div_clk_src = {
+ .reg = 0xdd4,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "video_cc_mvs1_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs1_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_regmap_div video_cc_mvs1c_div2_div_clk_src = {
+ .reg = 0xcf4,
+ .shift = 0,
+ .width = 4,
+ .clkr.hw.init = &(struct clk_init_data) {
+ .name = "video_cc_mvs1c_div2_div_clk_src",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs1_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_regmap_div_ro_ops,
+ },
+};
+
+static struct clk_branch video_cc_mvs0_clk = {
+ .halt_reg = 0xd34,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0xd34,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0xd34,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs0_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs0_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs0c_clk = {
+ .halt_reg = 0xc34,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0xc34,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs0c_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs0c_div2_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs1_clk = {
+ .halt_reg = 0xdb4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0xdb4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0xdb4,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs1_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs1_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs1_div2_clk = {
+ .halt_reg = 0xdf4,
+ .halt_check = BRANCH_HALT_VOTED,
+ .hwcg_reg = 0xdf4,
+ .hwcg_bit = 1,
+ .clkr = {
+ .enable_reg = 0xdf4,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs1_div2_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs1c_div2_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_mvs1c_clk = {
+ .halt_reg = 0xcd4,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0xcd4,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_mvs1c_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_mvs1c_div2_div_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch video_cc_sleep_clk = {
+ .halt_reg = 0xf10,
+ .halt_check = BRANCH_HALT,
+ .clkr = {
+ .enable_reg = 0xf10,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "video_cc_sleep_clk",
+ .parent_hws = (const struct clk_hw*[]){
+ &video_cc_sleep_clk_src.clkr.hw,
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct gdsc mvs0c_gdsc = {
+ .gdscr = 0xbf8,
+ .pd = {
+ .name = "mvs0c_gdsc",
+ },
+ .flags = RETAIN_FF_ENABLE,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc mvs1c_gdsc = {
+ .gdscr = 0xc98,
+ .pd = {
+ .name = "mvs1c_gdsc",
+ },
+ .flags = RETAIN_FF_ENABLE,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc mvs0_gdsc = {
+ .gdscr = 0xd18,
+ .pd = {
+ .name = "mvs0_gdsc",
+ },
+ .flags = HW_CTRL | RETAIN_FF_ENABLE,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc mvs1_gdsc = {
+ .gdscr = 0xd98,
+ .pd = {
+ .name = "mvs1_gdsc",
+ },
+ .flags = HW_CTRL | RETAIN_FF_ENABLE,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct clk_regmap *video_cc_sm8350_clocks[] = {
+ [VIDEO_CC_AHB_CLK_SRC] = &video_cc_ahb_clk_src.clkr,
+ [VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr,
+ [VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr,
+ [VIDEO_CC_MVS0_DIV_CLK_SRC] = &video_cc_mvs0_div_clk_src.clkr,
+ [VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr,
+ [VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &video_cc_mvs0c_div2_div_clk_src.clkr,
+ [VIDEO_CC_MVS1_CLK] = &video_cc_mvs1_clk.clkr,
+ [VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr,
+ [VIDEO_CC_MVS1_DIV2_CLK] = &video_cc_mvs1_div2_clk.clkr,
+ [VIDEO_CC_MVS1_DIV_CLK_SRC] = &video_cc_mvs1_div_clk_src.clkr,
+ [VIDEO_CC_MVS1C_CLK] = &video_cc_mvs1c_clk.clkr,
+ [VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC] = &video_cc_mvs1c_div2_div_clk_src.clkr,
+ [VIDEO_CC_SLEEP_CLK] = &video_cc_sleep_clk.clkr,
+ [VIDEO_CC_SLEEP_CLK_SRC] = &video_cc_sleep_clk_src.clkr,
+ [VIDEO_CC_XO_CLK_SRC] = &video_cc_xo_clk_src.clkr,
+ [VIDEO_PLL0] = &video_pll0.clkr,
+ [VIDEO_PLL1] = &video_pll1.clkr,
+};
+
+static const struct qcom_reset_map video_cc_sm8350_resets[] = {
+ [CVP_VIDEO_CC_INTERFACE_BCR] = { 0xe54 },
+ [CVP_VIDEO_CC_MVS0_BCR] = { 0xd14 },
+ [VIDEO_CC_MVS0C_CLK_ARES] = { 0xc34, 2 },
+ [CVP_VIDEO_CC_MVS0C_BCR] = { 0xbf4 },
+ [CVP_VIDEO_CC_MVS1_BCR] = { 0xd94 },
+ [VIDEO_CC_MVS1C_CLK_ARES] = { 0xcd4, 2 },
+ [CVP_VIDEO_CC_MVS1C_BCR] = { 0xc94 },
+};
+
+static struct gdsc *video_cc_sm8350_gdscs[] = {
+ [MVS0C_GDSC] = &mvs0c_gdsc,
+ [MVS1C_GDSC] = &mvs1c_gdsc,
+ [MVS0_GDSC] = &mvs0_gdsc,
+ [MVS1_GDSC] = &mvs1_gdsc,
+};
+
+static const struct regmap_config video_cc_sm8350_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x10000,
+ .fast_io = true,
+};
+
+static struct qcom_cc_desc video_cc_sm8350_desc = {
+ .config = &video_cc_sm8350_regmap_config,
+ .clks = video_cc_sm8350_clocks,
+ .num_clks = ARRAY_SIZE(video_cc_sm8350_clocks),
+ .resets = video_cc_sm8350_resets,
+ .num_resets = ARRAY_SIZE(video_cc_sm8350_resets),
+ .gdscs = video_cc_sm8350_gdscs,
+ .num_gdscs = ARRAY_SIZE(video_cc_sm8350_gdscs),
+};
+
+static void video_cc_sm8350_pm_runtime_disable(void *data)
+{
+ pm_runtime_disable(data);
+}
+
+static int video_cc_sm8350_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+ int ret;
+
+ pm_runtime_enable(&pdev->dev);
+
+ ret = devm_add_action_or_reset(&pdev->dev, video_cc_sm8350_pm_runtime_disable, &pdev->dev);
+ if (ret)
+ return ret;
+
+ ret = pm_runtime_resume_and_get(&pdev->dev);
+ if (ret)
+ return ret;
+
+ regmap = qcom_cc_map(pdev, &video_cc_sm8350_desc);
+ if (IS_ERR(regmap)) {
+ pm_runtime_put(&pdev->dev);
+ return PTR_ERR(regmap);
+ };
+
+ clk_lucid_pll_configure(&video_pll0, regmap, &video_pll0_config);
+ clk_lucid_pll_configure(&video_pll1, regmap, &video_pll1_config);
+
+ /*
+ * Keep clocks always enabled:
+ * video_cc_ahb_clk
+ * video_cc_xo_clk
+ */
+ regmap_update_bits(regmap, 0xe58, BIT(0), BIT(0));
+ regmap_update_bits(regmap, 0xeec, BIT(0), BIT(0));
+
+ ret = qcom_cc_really_probe(pdev, &video_cc_sm8350_desc, regmap);
+ pm_runtime_put(&pdev->dev);
+
+ return ret;
+}
+
+static const struct dev_pm_ops video_cc_sm8350_pm_ops = {
+ SET_RUNTIME_PM_OPS(pm_clk_suspend, pm_clk_resume, NULL)
+};
+
+static const struct of_device_id video_cc_sm8350_match_table[] = {
+ { .compatible = "qcom,sm8350-videocc" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, video_cc_sm8350_match_table);
+
+static struct platform_driver video_cc_sm8350_driver = {
+ .probe = video_cc_sm8350_probe,
+ .driver = {
+ .name = "sm8350-videocc",
+ .of_match_table = video_cc_sm8350_match_table,
+ .pm = &video_cc_sm8350_pm_ops,
+ },
+};
+
+static int __init video_cc_sm8350_init(void)
+{
+ return platform_driver_register(&video_cc_sm8350_driver);
+}
+subsys_initcall(video_cc_sm8350_init);
+
+static void __exit video_cc_sm8350_exit(void)
+{
+ platform_driver_unregister(&video_cc_sm8350_driver);
+}
+module_exit(video_cc_sm8350_exit);
+
+MODULE_DESCRIPTION("QTI SM8350 VIDEOCC Driver");
+MODULE_LICENSE("GPL");